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Re: Cygwin's svn appends unwanted .exe to file name on checkout


On Mar  2 09:16, David Rothenberger wrote:
> On 3/2/2010 3:58 AM, Corinna Vinschen wrote:
> >The .exe suffix is added if all of the below is true:
> >
> >- The file is renamed via the rename(2) function.
> >- The name does not only change by case on a caseinsensitive mount.
> >- The file is a binary checked with the Win32 function GetBinaryType,
> >   and the returned type is SCS_32BIT_BINARY or SCS_64BIT_BINARY.
> >- The source filename has none of the following suffixes:
> >     .com
> >     .dll
> >     .exe
> >     .scr
> >     .sys
> >- The destination filename has none of the aforementioned suffixes.
> 
> All these conditions are true in the svn test case. svn is renaming
> tst/tempfile.tmp to tst/notepad.xxx using libapr1, which is using
> rename(2).
> 
> It does seem that the ACLs on the directory and file play a role,
> too. I've attached a reproduction script along with a simple
> rename(2) driver program. The script explicitly removes the default
> group ACLs from a directory before doing a rename(2) in that
> directory. In that case, no .exe suffix is added. If you modify the
> top of the script to set "SETACLS=set", it will add default group
> ACLs of rwx and the .exe suffix is added.
> 
> I'm not sure if this points to a bug in Cygwin or not. It does
> explain why Alan and I were seeing different behavior.

The rename(2) function does not check at all for the ACL.  The weird
outcome must have something to do with the way the GetBinaryType
function works.  I don't understand what the default permissions of the
parent dir have to do with that, though.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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